"3D job" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ja",
        "3": "3K"
      },
      "expansion": "Calque of Japanese 3K (3K)",
      "name": "cal"
    }
  ],
  "etymology_text": "Literally: Dirty, Dangerous and Demanding (or Difficult, Demeaning) job. Calque of Japanese 3K (3K).",
  "forms": [
    {
      "form": "3D jobs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "3D job (plural 3D jobs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "source": "w"
        },
        {
          "kind": "other",
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          "parents": [
            "Terms with redundant script codes",
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with non-redundant manual script codes",
          "parents": [
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        {
          "kind": "other",
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          "parents": [
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            "Entry maintenance"
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          "source": "w"
        }
      ],
      "glosses": [
        "A menial blue-collar job often performed by migrants."
      ],
      "id": "en-3D_job-en-noun-GByhx2kN",
      "links": [
        [
          "menial",
          "menial"
        ],
        [
          "blue-collar",
          "blue-collar"
        ],
        [
          "migrant",
          "migrant"
        ]
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "dirty, dangerous, demanding job",
          "word": "3K產業"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "sān kèi chǎnyè",
          "sense": "dirty, dangerous, demanding job",
          "word": "3K产业"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "dirty, dangerous, demanding job",
          "word": "3K行業"
        },
        {
          "alt": "number 3 can also be replaced with 三 (sān) - \"three\"",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "sān kèi hángyè",
          "sense": "dirty, dangerous, demanding job",
          "word": "3K行业"
        },
        {
          "alt": "さんケー",
          "code": "ja",
          "lang": "Japanese",
          "roman": "san kē",
          "sense": "dirty, dangerous, demanding job",
          "word": "3K"
        }
      ],
      "wikipedia": [
        "3D jobs"
      ]
    }
  ],
  "word": "3D job"
}

{
  "etymology_templates": [
    {
      "args": {
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        "2": "ja",
        "3": "3K"
      },
      "expansion": "Calque of Japanese 3K (3K)",
      "name": "cal"
    }
  ],
  "etymology_text": "Literally: Dirty, Dangerous and Demanding (or Difficult, Demeaning) job. Calque of Japanese 3K (3K).",
  "forms": [
    {
      "form": "3D jobs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "3D job (plural 3D jobs)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms calqued from Japanese",
        "English terms derived from Japanese",
        "English terms spelled with numbers",
        "Japanese terms with non-redundant manual transliterations",
        "Japanese terms with redundant script codes",
        "Mandarin terms with non-redundant manual script codes",
        "Mandarin terms with redundant transliterations"
      ],
      "glosses": [
        "A menial blue-collar job often performed by migrants."
      ],
      "links": [
        [
          "menial",
          "menial"
        ],
        [
          "blue-collar",
          "blue-collar"
        ],
        [
          "migrant",
          "migrant"
        ]
      ],
      "wikipedia": [
        "3D jobs"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "dirty, dangerous, demanding job",
      "word": "3K產業"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "sān kèi chǎnyè",
      "sense": "dirty, dangerous, demanding job",
      "word": "3K产业"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "dirty, dangerous, demanding job",
      "word": "3K行業"
    },
    {
      "alt": "number 3 can also be replaced with 三 (sān) - \"three\"",
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "sān kèi hángyè",
      "sense": "dirty, dangerous, demanding job",
      "word": "3K行业"
    },
    {
      "alt": "さんケー",
      "code": "ja",
      "lang": "Japanese",
      "roman": "san kē",
      "sense": "dirty, dangerous, demanding job",
      "word": "3K"
    }
  ],
  "word": "3D job"
}